10-20 Vehicle Care
5. Inspect or replace the engine air
cleaner/filter.
6. Reinstall the cover and tighten
the screws.
{
WARNING
Operating the engine with the air
cleaner/filter off can cause you or
others to be burned. The air
cleaner not only cleans the air; it
helps to stop flames if the engine
backfires. Use caution when
working on the engine and do not
drive with the air cleaner/filter off.
Cooling System
If the vehicle has the Duramax®
diesel engine, see the Duramax
diesel supplement for more
information.
The cooling system allows the
engine to maintain the correct
working temperature.
5.3 L V8 Engine Shown
(4.3 L V6 Engine, 4.8 L V8 Engine,
6.0 L V8 Engine, and
6.2 L V8 Engine Similar)
A. Coolant Surge Tank
B. Coolant Surge Tank
Pressure Cap
C. Engine Cooling Fan
{
WARNING
An electric engine cooling fan can
start even when the engine is not
running. To avoid injury, always
keep hands, clothing, and tools
away from any engine
cooling fan.
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